Greenhouse Gases and Ozone Depletion Review

Front

When oxygen gas in the lower stratosphere is struck by this, it splits, leading to the formation of a ozone molecule.

Back

ultraviolet radiation

Front

The ozone layer protects us from

Back

UV rays

Front

The ozone layer is damaged by

Back

CFCs

Front

Increase in which gas is primarily responsible for increased global warming? Options: Carbon dioxide, Water vapor, Methane, Nitric oxides

Back

Carbon dioxide

Front

What absorbs ultraviolet rays in the atmosphere? Options: troposphere, stratosphere, ozone layer, greenhouse gases

Back

ozone layer

Front

The gas that is most abundant in the atmosphere is

Back

nitrogen

Front

CFCs alter the natural formation of ozone by: breaking up ozone and reducing the amount of O2 needed to form ozone, bonding with O3, preventing UV radiation to strike ozone

Back

breaking up ozone and reducing the amount of O2 needed to form ozone

Front

Depletion of ozone layer is a concern because it normally absorbs ____% of the sun's UV radiation.

Back

99

Front

Choose the correct order of the layers of the atmosphere (from closest to farthest from earth’s surface): Troposphere, stratosphere, mesosphere, thermosphere

Back

Troposphere, stratosphere, mesosphere, thermosphere

Front

Which of these sets of three items produce CFCs: cars, factories, and cardboard; spray cans, cardboard, insulation; spray cans, refrigerant, cardboard; spray cans, refrigerant, insulation?

Back

spray cans, refrigerant, insulation